From c17dc6aa31aaa6e7f61bd25993be55354e428996 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 20 Sep 2008 13:21:15 -0400
Subject: [PATCH] #1485385: fix missing close form tag

---
 program/include/main.inc |  348 +++++++++++++++++++++++++++++++++------------------------
 1 files changed, 201 insertions(+), 147 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index a29978a..0eb8dc7 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -76,14 +76,14 @@
   if (!empty($opt))
     {
     $db = &rcmail::get_instance()->db;
-
-    if($db->db_provider=='pgsql') // just for sure
+    
+    if ($db->db_provider=='pgsql')
       {
       $db->db_handle->setOption('disable_smart_seqname', true);
       $db->db_handle->setOption('seqname_format', '%s');
-      }	      
+      }
   
-    return $CONFIG[$opt];
+    return $opt;
     }
     
   return $sequence;
@@ -128,18 +128,7 @@
 function rcmail_url($action, $p=array(), $task=null)
 {
   $app = rcmail::get_instance();
-  
-  $qstring = '';
-  $base = $app->comm_path;
-  
-  if ($task && in_array($task, rcmail::$main_tasks))
-    $base = ereg_replace('_task=[a-z]+', '_task='.$task, $app->comm_path);
-  
-  if (is_array($p))
-    foreach ($p as $key => $val)
-      $qstring .= '&'.urlencode($key).'='.urlencode($val);
-  
-  return $base . ($action ? '&_action='.$action : '') . $qstring;
+  return $app->url((array)$p + array('_action' => $action, 'task' => $task));
 }
 
 
@@ -223,6 +212,7 @@
     return $str;
     
   $aliases = array(
+    'US-ASCII'       => 'ISO-8859-1',
     'UNKNOWN-8BIT'   => 'ISO-8859-15',
     'X-UNKNOWN'      => 'ISO-8859-15',
     'X-USER-DEFINED' => 'ISO-8859-15',
@@ -328,7 +318,7 @@
     $is_iso_8859_1 = true;
   }
   if (!$enctype)
-    $enctype = $GLOBALS['OUTPUT_TYPE'];
+    $enctype = $OUTPUT->type;
 
   // encode for plaintext
   if ($enctype=='text')
@@ -358,7 +348,7 @@
       $str = strip_tags($str);
     
     // avoid douple quotation of &
-    $out = preg_replace('/&amp;([a-z]{2,5}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr));
+    $out = preg_replace('/&amp;([A-Za-z]{2,6}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr));
       
     return $newlines ? nl2br($out) : $out;
     }
@@ -473,9 +463,10 @@
  * Remove all non-ascii and non-word chars
  * except . and -
  */
-function asciiwords($str)
+function asciiwords($str, $css_id = false)
 {
-  return preg_replace('/[^a-z0-9._-]/i', '', $str);
+  $allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
+  return preg_replace("/[^$allowed]/i", '', $str);
 }
 
 /**
@@ -607,7 +598,8 @@
   $last_pos = 0;
   
   // ignore the whole block if evil styles are detected
-  if (stristr($source, 'expression') || stristr($source, 'behavior'))
+  $stripped = preg_replace('/[^a-z\(:]/', '', rcmail_xss_entitiy_decode($source));
+  if (preg_match('/expression|behavior|url\(|import/', $stripped))
     return '';
 
   // cut out all contents between { and }
@@ -640,6 +632,22 @@
 
   return $styles;
   }
+
+
+/**
+ * Decode escaped entities used by known XSS exploits.
+ * See http://downloads.securityfocus.com/vulnerabilities/exploits/26800.eml for examples
+ *
+ * @param string CSS content to decode
+ * @return string Decoded string
+ */
+function rcmail_xss_entitiy_decode($content)
+{
+  $out = html_entity_decode(html_entity_decode($content));
+  $out = preg_replace('/\\\([0-9a-f]{4})/ie', "chr(hexdec('\\1'))", $out);
+  $out = preg_replace('#/\*.*\*/#Um', '', $out);
+  return $out;
+}
 
 
 /**
@@ -716,9 +724,13 @@
     return '';
    
   // get user's timezone
-  $tz = $CONFIG['timezone'];
-  if ($CONFIG['dst_active'])
-    $tz++;
+  if ($CONFIG['timezone'] === 'auto')
+    $tz = isset($_SESSION['timezone']) ? $_SESSION['timezone'] : date('Z')/3600;
+  else {
+    $tz = $CONFIG['timezone'];
+    if ($CONFIG['dst_active'])
+      $tz++;
+  }
 
   // convert time to user's timezone
   $timestamp = $ts - date('Z', $ts) + ($tz * 3600);
@@ -764,6 +776,8 @@
     // month name (long)
     else if ($format{$i}=='F')
       $out .= rcube_label('long'.strtolower(date('M', $timestamp)));
+    else if ($format{$i}=='x')
+      $out .= strftime('%x %X', $timestamp);
     else
       $out .= date($format{$i}, $timestamp);
     }
@@ -800,19 +814,20 @@
  *
  * @param mixed Debug message or data
  */
-function console($msg)
+function console()
   {
-  if (!is_string($msg))
-    $msg = var_export($msg, true);
+  $msg = array();
+  foreach (func_get_args() as $arg)
+    $msg[] = !is_string($arg) ? var_export($arg, true) : $arg;
 
   if (!($GLOBALS['CONFIG']['debug_level'] & 4))
-    write_log('console', $msg);
+    write_log('console', join(";\n", $msg));
   else if ($GLOBALS['OUTPUT']->ajax_call)
-    print "/*\n $msg \n*/\n";
+    print "/*\n " . join(";\n", $msg) . " \n*/\n";
   else
     {
     print '<div style="background:#eee; border:1px solid #ccc; margin-bottom:3px; padding:6px"><pre>';
-    print $msg;
+    print join(";<br/>\n", $msg);
     print "</pre></div>\n";
     }
   }
@@ -836,16 +851,24 @@
                  date("d-M-Y H:i:s O", mktime()),
                  $line);
                  
-  if (empty($CONFIG['log_dir']))
-    $CONFIG['log_dir'] = INSTALL_PATH.'logs';
+  if ($CONFIG['log_driver'] == 'syslog') {
+    if ($name == 'errors')
+      $prio = LOG_ERR;
+    else
+      $prio = LOG_INFO;
+    syslog($prio, $log_entry);
+  } else {
+    // log_driver == 'file' is assumed here
+    if (empty($CONFIG['log_dir']))
+      $CONFIG['log_dir'] = INSTALL_PATH.'logs';
       
-  // try to open specific log file for writing
-  if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a'))    
-    {
-    fwrite($fp, $log_entry);
-    fclose($fp);
+    // try to open specific log file for writing
+    if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a')) {
+      fwrite($fp, $log_entry);
+      fclose($fp);
     }
   }
+}
 
 
 /**
@@ -883,68 +906,84 @@
  * @return string HTML code for the gui object
  */
 function rcmail_mailbox_list($attrib)
-  {
-  global $IMAP, $CONFIG, $OUTPUT, $COMM_PATH;
-  static $s_added_script = FALSE;
+{
+  global $RCMAIL;
   static $a_mailboxes;
+  
+  $attrib += array('maxlength' => 100, 'relanames' => false);
 
   // add some labels to client
   rcube_add_label('purgefolderconfirm');
   rcube_add_label('deletemessagesconfirm');
   
-// $mboxlist_start = rcube_timer();
-  
   $type = $attrib['type'] ? $attrib['type'] : 'ul';
-  $add_attrib = $type=='select' ? array('style', 'class', 'id', 'name', 'onchange') :
-                                  array('style', 'class', 'id');
-                                  
+  unset($attrib['type']);
+
   if ($type=='ul' && !$attrib['id'])
     $attrib['id'] = 'rcmboxlist';
 
-  // allow the following attributes to be added to the <ul> tag
-  $attrib_str = create_attrib_string($attrib, $add_attrib);
- 
-  $out = '<' . $type . $attrib_str . ">\n";
-  
-  // add no-selection option
-  if ($type=='select' && $attrib['noselection'])
-    $out .= sprintf('<option value="0">%s</option>'."\n",
-                    rcube_label($attrib['noselection']));
-  
   // get mailbox list
-  $mbox_name = $IMAP->get_mailbox_name();
+  $mbox_name = $RCMAIL->imap->get_mailbox_name();
   
   // build the folders tree
-  if (empty($a_mailboxes))
-    {
+  if (empty($a_mailboxes)) {
     // get mailbox list
-    $a_folders = $IMAP->list_mailboxes();
-    $delimiter = $IMAP->get_hierarchy_delimiter();
+    $a_folders = $RCMAIL->imap->list_mailboxes();
+    $delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
     $a_mailboxes = array();
-
-// rcube_print_time($mboxlist_start, 'list_mailboxes()');
 
     foreach ($a_folders as $folder)
       rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
-    }
-
-// var_dump($a_mailboxes);
-
-  if ($type=='select')
-    $out .= rcmail_render_folder_tree_select($a_mailboxes, $mbox_name, $attrib['maxlength']);
-   else
-    $out .= rcmail_render_folder_tree_html($a_mailboxes, $mbox_name, $attrib['maxlength']);
-
-// rcube_print_time($mboxlist_start, 'render_folder_tree()');
-
-
-  if ($type=='ul')
-    $OUTPUT->add_gui_object('mailboxlist', $attrib['id']);
-
-  return $out . "</$type>";
   }
 
+  if ($type=='select') {
+    $select = new html_select($attrib);
+    
+    // add no-selection option
+    if ($attrib['noselection'])
+      $select->add(rcube_label($attrib['noselection']), '0');
+    
+    rcmail_render_folder_tree_select($a_mailboxes, $mbox_name, $attrib['maxlength'], $select, $attrib['realnames']);
+    $out = $select->show();
+  }
+  else {
+    $js_mailboxlist = array();
+    $out = html::tag('ul', $attrib, rcmail_render_folder_tree_html($a_mailboxes, $mbox_name, $js_mailboxlist, $attrib), html::$common_attrib);
+    
+    $RCMAIL->output->add_gui_object('mailboxlist', $attrib['id']);
+    $RCMAIL->output->set_env('mailboxes', $js_mailboxlist);
+    $RCMAIL->output->set_env('collapsed_folders', $RCMAIL->config->get('collapsed_folders'));
+  }
 
+  return $out;
+}
+
+
+/**
+ * Return the mailboxlist as html_select object
+ *
+ * @param array Named parameters
+ * @return object html_select HTML drop-down object
+ */
+function rcmail_mailbox_select($p = array())
+{
+  global $RCMAIL;
+  
+  $p += array('maxlength' => 100, 'relanames' => false);
+  $a_mailboxes = array();
+  
+  foreach ($RCMAIL->imap->list_mailboxes() as $folder)
+    rcmail_build_folder_tree($a_mailboxes, $folder, $RCMAIL->imap->get_hierarchy_delimiter());
+
+  $select = new html_select($p);
+  
+  if ($p['noselection'])
+    $select->add($p['noselection'], '');
+    
+  rcmail_render_folder_tree_select($a_mailboxes, $mbox, $p['maxlength'], $select, $p['realnames']);
+  
+  return $select;
+}
 
 
 /**
@@ -952,124 +991,143 @@
  * @access private
  */
 function rcmail_build_folder_tree(&$arrFolders, $folder, $delm='/', $path='')
-  {
+{
   $pos = strpos($folder, $delm);
-  if ($pos !== false)
-    {
+  if ($pos !== false) {
     $subFolders = substr($folder, $pos+1);
     $currentFolder = substr($folder, 0, $pos);
-    }
-  else
-    {
+    $virtual = !isset($arrFolders[$currentFolder]);
+  }
+  else {
     $subFolders = false;
     $currentFolder = $folder;
-    }
+    $virtual = false;
+  }
 
   $path .= $currentFolder;
 
-  if (!isset($arrFolders[$currentFolder]))
-    {
-    $arrFolders[$currentFolder] = array('id' => $path,
-                                        'name' => rcube_charset_convert($currentFolder, 'UTF-7'),
-                                        'folders' => array());
-    }
+  if (!isset($arrFolders[$currentFolder])) {
+    $arrFolders[$currentFolder] = array(
+      'id' => $path,
+      'name' => rcube_charset_convert($currentFolder, 'UTF-7'),
+      'virtual' => $virtual,
+      'folders' => array());
+  }
+  else
+    $arrFolders[$currentFolder]['virtual'] = $virtual;
 
   if (!empty($subFolders))
     rcmail_build_folder_tree($arrFolders[$currentFolder]['folders'], $subFolders, $delm, $path.$delm);
-  }
+}
   
 
 /**
  * Return html for a structured list &lt;ul&gt; for the mailbox tree
  * @access private
  */
-function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, $maxlength, $nestLevel=0)
-  {
-  global $COMM_PATH, $IMAP, $CONFIG, $OUTPUT;
+function rcmail_render_folder_tree_html(&$arrFolders, &$mbox_name, &$jslist, $attrib, $nestLevel=0)
+{
+  global $RCMAIL, $CONFIG;
+  
+  $maxlength = intval($attrib['maxlength']);
+  $realnames = (bool)$attrib['realnames'];
+  $msgcounts = $RCMAIL->imap->get_cache('messagecount');
 
   $idx = 0;
   $out = '';
-  foreach ($arrFolders as $key => $folder)
-    {
-    $zebra_class = ($nestLevel*$idx)%2 ? 'even' : 'odd';
-    $title = '';
+  foreach ($arrFolders as $key => $folder) {
+    $zebra_class = (($nestLevel+1)*$idx) % 2 == 0 ? 'even' : 'odd';
+    $title = null;
 
-    if ($folder_class = rcmail_folder_classname($folder['id']))
+    if (($folder_class = rcmail_folder_classname($folder['id'])) && !$realnames) {
       $foldername = rcube_label($folder_class);
-    else
-      {
+    }
+    else {
       $foldername = $folder['name'];
 
       // shorten the folder name to a given length
-      if ($maxlength && $maxlength>1)
-        {
+      if ($maxlength && $maxlength > 1) {
         $fname = abbreviate_string($foldername, $maxlength);
         if ($fname != $foldername)
-          $title = ' title="'.Q($foldername).'"';
+          $title = $foldername;
         $foldername = $fname;
-        }
       }
+    }
 
     // make folder name safe for ids and class names
-    $folder_id = preg_replace('/[^A-Za-z0-9\-_]/', '', $folder['id']);
-    $class_name = preg_replace('/[^a-z0-9\-_]/', '', $folder_class ? $folder_class : strtolower($folder['id']));
+    $folder_id = asciiwords($folder['id'], true);
+    $classes = array('mailbox');
 
     // set special class for Sent, Drafts, Trash and Junk
     if ($folder['id']==$CONFIG['sent_mbox'])
-      $class_name = 'sent';
+      $classes[] = 'sent';
     else if ($folder['id']==$CONFIG['drafts_mbox'])
-      $class_name = 'drafts';
+      $classes[] = 'drafts';
     else if ($folder['id']==$CONFIG['trash_mbox'])
-      $class_name = 'trash';
+      $classes[] = 'trash';
     else if ($folder['id']==$CONFIG['junk_mbox'])
-      $class_name = 'junk';
+      $classes[] = 'junk';
+    else
+      $classes[] = asciiwords($folder_class ? $folder_class : strtolower($folder['id']), true);
+      
+    $classes[] = $zebra_class;
+    
+    if ($folder['id'] == $mbox_name)
+      $classes[] = 'selected';
 
-    $js_name = htmlspecialchars(JQ($folder['id']));
-    $out .= sprintf('<li id="rcmli%s" class="mailbox %s %s%s"><a href="%s"'.
-                    ' onclick="return %s.command(\'list\',\'%s\',this)"'.
-                    ' onmouseover="return %s.focus_folder(\'%s\')"' .
-                    ' onmouseout="return %s.unfocus_folder(\'%s\')"' .
-                    ' onmouseup="return %s.folder_mouse_up(\'%s\')"%s>%s</a>',
-                    $folder_id,
-                    $class_name,
-                    $zebra_class,
-                    $folder['id']==$mbox_name ? ' selected' : '',
-                    Q(rcmail_url('', array('_mbox' => $folder['id']))),
-                    JS_OBJECT_NAME,
-                    $js_name,
-                    JS_OBJECT_NAME,
-                    $js_name,
-                    JS_OBJECT_NAME,
-                    $js_name,
-                    JS_OBJECT_NAME,
-                    $js_name,
-                    $title,
-                    Q($foldername));
+    $collapsed = preg_match('/&'.rawurlencode($folder['id']).'&/', $RCMAIL->config->get('collapsed_folders'));
+    $unread = $msgcounts ? intval($msgcounts[$folder['id']]['UNSEEN']) : 0;
+    
+    if ($folder['virtual'])
+      $classes[] = 'virtual';
+    else if ($unread)
+      $classes[] = 'unread';
 
-    if (!empty($folder['folders']))
-      $out .= "\n<ul>\n" . rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $maxlength, $nestLevel+1) . "</ul>\n";
+    $js_name = JQ($folder['id']);
+    $html_name = Q($foldername . ($unread ? " ($unread)" : ''));
+    $link_attrib = $folder['virtual'] ? array() : array(
+      'href' => rcmail_url('', array('_mbox' => $folder['id'])),
+      'onclick' => sprintf("return %s.command('list','%s',this)", JS_OBJECT_NAME, $js_name),
+      'title' => $title,
+    );
+
+    $out .= html::tag('li', array(
+        'id' => "rcmli".$folder_id,
+        'class' => join(' ', $classes),
+        'noclose' => true),
+      html::a($link_attrib, $html_name) .
+      (!empty($folder['folders']) ? html::div(array(
+        'class' => ($collapsed ? 'collapsed' : 'expanded'),
+        'style' => "position:absolute",
+        'onclick' => sprintf("%s.command('collapse-folder', '%s')", JS_OBJECT_NAME, $js_name)
+      ), '&nbsp;') : ''));
+    
+    $jslist[$folder_id] = array('id' => $folder['id'], 'name' => $foldername, 'virtual' => $folder['virtual']);
+    
+    if (!empty($folder['folders'])) {
+      $out .= html::tag('ul', array('style' => ($collapsed ? "display:none;" : null)),
+        rcmail_render_folder_tree_html($folder['folders'], $mbox_name, $jslist, $attrib, $nestLevel+1));
+    }
 
     $out .= "</li>\n";
     $idx++;
-    }
+  }
 
   return $out;
-  }
+}
 
 
 /**
  * Return html for a flat list <select> for the mailbox tree
  * @access private
  */
-function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, $nestLevel=0, $selected='')
+function rcmail_render_folder_tree_select(&$arrFolders, &$mbox_name, $maxlength, &$select, $realnames=false, $nestLevel=0)
   {
-  global $IMAP, $OUTPUT;
-
   $idx = 0;
   $out = '';
   foreach ($arrFolders as $key=>$folder)
     {
-    if ($folder_class = rcmail_folder_classname($folder['id']))
+    if (!$realnames && ($folder_class = rcmail_folder_classname($folder['id'])))
       $foldername = rcube_label($folder_class);
     else
       {
@@ -1080,14 +1138,10 @@
         $foldername = abbreviate_string($foldername, $maxlength);
       }
 
-    $out .= sprintf('<option value="%s"%s>%s%s</option>'."\n",
-                    htmlspecialchars($folder['id']),
-		    ($selected == $foldername ? ' selected="selected"' : ''),
-                    str_repeat('&nbsp;', $nestLevel*4),
-                    Q($foldername));
+    $select->add(str_repeat('&nbsp;', $nestLevel*4) . $foldername, $folder['id']);
 
     if (!empty($folder['folders']))
-      $out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength, $nestLevel+1, $selected);
+      $out .= rcmail_render_folder_tree_select($folder['folders'], $mbox_name, $maxlength, $select, $realnames, $nestLevel+1);
 
     $idx++;
     }

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